I've started using CRF to rip my Blurays but I can't seem to notice a difference if I use 3 or 16 B-Frames. So is there anyway to calculate how many B-frames are needed for the encode?
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Look at the summary when you're done. But using more than 3 is asking for trouble (and usually a waste of time). Many devices don't support more than 3.
A sample from the summary of a short encode with 16 bframes:
x264 [info]: consecutive B-frames: 12.3% 27.6% 59.3% 0.8% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0% 0.0%
27.6 percent of the time it used 1 bframes
59.3 percent of the time it used 2 bframes
Last edited by jagabo; 14th Feb 2012 at 08:41.
You are encoding. You are not "ripping". Using the correct term not only keeps you from looking like a moron, it allows people to help you correctly.